L.25 - Servicing and Repair

One who understands technology, He shall do instruments repair, One who likes to counsel and teach, Should spread knowledge everywhere,

UDYAM SHASTRA- Chapter 07,Verse 04

Key Objectives:

Reading this module and doing the student activities will enable the students to:

    • Understand the use of service manual.

Enterprise Concepts:

Servicing and repairs: This refers to largely after-sales service and repairs provided for a product.

Service manual: This is a printed document that gives details of the sold product and how it can be repaired. It gives method of disassembling the product, mentions special tools required if any,gives tips on fault-finding, lists spare-parts etc.

Enterprise Skills:

The student 'Activities' in each lesson are designed to clarify the ENTERPRISE CONCEPTS of the lesson and develop some ENTERPRISE SKILLS (E.SKILLS). The E.SKILLS included in a lesson may not be exhaustive, but are indicative.

E.SKILLS stated in a lesson elsewhere may also get addressed through the activities of a particular lesson. Some useful E.SKILLS are dealt with below:

Information seeking and analysis: An entrepreneur needs to identify specific situations in which information is required and the type of information likely to be of assistance. For servicing, this involves selecting sources of spare-part suppliers, obtaining service-manuals, reviewing, categorizing and organizing service information etc.



Instruction To Students

  • Students should study a service manual.

  • Answer the questions in the Worksheet.

  • After completing the activity, each group should present and share its main discussion points with the rest of the class.

Work Sheet:

Q.1: Give details of product for which you are studying the service manual?

Product: ______________________

Model No.: ____________________

Company: _____________________

Q.2: What are the main sections/chapters in the service manual?


Q.3.: List the assembly/disassembly tools required, if any, for the servicing. What test equipment do you need, if any?


Q.4.: Which are the major spares you may have to store, if you intend to provide servicing of this product?


Q.5.: Which are the major faults likely to develop? What instructions does the service manual have to do fault finding and repair?